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26 en | Pelco® Protocol Mode AutoDome Modular Camera System
F01U064036 | 1.0 | 2007.01 VG4-200, VG4-300, VG4-500i Series User’s Manual Bosch Security Systems, Inc.
4.2 Address Guidelines
– An AutoDome with an address set to 0 responds to commands set to any address.
– Pelco-P protocol must use addresses 1 to 32.
– Pelco-D protocol must use addresses 1 to 254.
4.3 Pelco Keyboard Commands
Pelco control commands are composed of a sequence of two (2) keyboard inputs with the fol-
lowing convention: 1) a Command Number and 2) a Function key input.
The AutoDome uses the PRESET command key to save and recall presets (pre-positions) 1
through 99.
4.3.1 Special Preset Commands
Some Pelco mode preset commands have a special meaning and override the normal Pelco
preset function as follows:
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NOTICE! A previously configured AutoDome with an address above 32 (Pelco-P upper limit) or
254 (Pelco-D upper limit) can be used without readdressing the unit. However, no two (2)
addresses can be the same. For example:
Pelco-P addresses above 32 are repeated in multiples of 32 (1, 33, 65, 97 are the same).
Pelco-D addresses above 254 are repeated in multiples of 254 (1, 255, 509, 763 are the same).
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NOTICE! To save a preset, enter the desired number and hold the PRESET key for
approximately two (2) seconds. To recall a preset, enter the desired preset number (or
command) and momentarily press and release the PRESET key.
Preset Command Description
33-PRESET Pans the AutoDome 180° (Flip).
34-PRESET Goes to Zero Pan (original home position).
92-PRESET Sets the Left pan limit for an AutoScan with Limit Stops enabled.
93-PRESET Sets the Right pan limit for an AutoScan with Limit Stops enabled.
94-PRESET Initiates a Preset Tour.
95-PRESET Enables or disables Limit Stops in the Setup Menu for AutoScan.
Invokes the Pelco main Setup Menu when pressed for 2 seconds.
96-PRESET Stops a scan.
97-PRESET Initiates FastAddress (Pelco Random Scan).
98-PRESET Toggles the Synch. Mode between Line Lock and Internal (Pelco Frame
Scan). This command is available only for two (2) minutes after the
power is applied and then reverts to normal preset functionality.
99-PRESET Starts an AutoScan
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NOTICE! Some Pelco controllers do not support all the preset command numbers. Consult
the specific Pelco controller's documentation for supported preset commands.